Bridging the Divide: Exploring the use of digital and physical technology to aid mobility impaired people living in an informal settlement. - Barbareschi, Giulia; Oldfrey, Ben; Xin, Long; Nyachomba Magomere, Grace; Ambeyi Wetende, Wycliffe; Wanjira, Carol; Olenja, Joyce; Austin, Victoria; Holloway, Catherine (ACM SIGACCESS Conference on Computers & Accessibility, 2020)